125 results about "Feeding force" patented technology

A method includes operating an automatic tool at a first setting to drive a flow drill screw (FDS) into a substrate. The first setting is configured to rotate the FDS at a first rotational speed and apply a first axial feed force. The first setting is configured to cause flow of the substrate to permit the FDS to penetrate the substrate. The method includes detecting a predetermined first trigger condition including at least one of a depth gradient and a depth and switching the tool from the first setting to a second setting in response to a predetermined second trigger condition including at least one of a predetermined axial feed distance after detecting the first trigger condition and a predetermined time delay after detecting the first trigger condition. The second setting is configured to rotate the FDS at a lower rotational speed and apply a lower axial feed force.

The invention discloses a double-face machining grinding machine which comprises a box body part, a lower grinding head assembly, a feeding part, an upper grinding head assembly, an upper main shaft driving device, a Z-axis feeding part, a finishing mechanism and a lower main shaft driving device. The upper grinding head assembly and the lower grinding head assembly are symmetrically arranged up and down and are supported and mounted on the box body part by adopting a hard rail and sliding rail pair; the feeding part is mounted in front of the box body part; the upper main shaft driving device and the lower main shaft driving device are symmetrically arranged on the back of the box body part up and down and respectively provide grinding power for the upper grinding head assembly and the lower grinding head assembly; the two groups of Z-axis feeding parts are respectively arranged behind the upper grinding head assembly and the lower grinding head assembly, are fixed in the box body component and are used for providing Z-axis feeding force for the upper grinding head assembly and the lower grinding head assembly; the finishing mechanism is installed on the back face of the box body part and located between the upper grinding head assembly and the lower grinding head assembly. The box body part comprises an upper box body, a lower box body and a base. The invention has the advantages of good dynamic rigidity of the whole machine and stable performance.

The invention discloses an efficient calcining furnace feeding and distributing structure for synthesizing zeolite from steel blast furnace water slag, and relates to the field of calcining furnace feeding. According to the technical scheme, the device comprises a feeding mechanism used for feeding and distributing, the feeding mechanism comprises a distributing box, a feeding wheel and a motor, the distributing box is rotationally connected with a supporting table and used for controlling the feeding angle through rotation to achieve distributing, the feeding wheel is rotationally connected into the distributing box, and the motor is connected with the feeding wheel; the feeding wheel is used for increasing the feeding strength through centrifugal force, the motor is fixed to the bottom of the supporting table, and the output portion of the motor is fixedly connected with the feeding wheel. And the motor is linked with the material distribution box through the synchronizing mechanism. The feeding wheel is rotationally connected into the material distribution box, the force of materials entering the calcining furnace is increased through centrifugal force, in other words, the rotating speed of the feeding wheel is controlled, the feeding position can be controlled, and the materials can be evenly dispersed into the calcining furnace.

The disclosure relates to a soil processing apparatus, in particular diaphragm wall cutter, for creating a trench, which apparatus is connectable to a work-performing machine, comprising a frame extending along a longitudinal axis, which has a rectangular cross-section transverse to the longitudinal axis, a soil processing tool arranged on a lower section of the frame, a clamping device with at least two clamping elements arranged on opposite sides of the frame, which are actively adjustable relative to the frame in order to press the clamping elements against inner walls of a trench, and a feed device for generating a feed force on the soil processing tool within a trench, by means of which the clamping elements and the frame can be actively adjusted relative to each other along the longitudinal axis.

The invention relates to a method for controlling an automatic screw screwing machine, comprising: a screw screwing unit for automatically screwing a screw into a component; and a control unit for controlling the screw-screwing unit using a screw-screwing program stored in the control unit, the screw-screwing program defining a time-varying process of the rotational speed required to drive the screw during the screw-screwing process, and optionally, the screw-screwing program being stored in the control unit, the screw-screwing program defining a time-varying process of the rotational speed required to drive the screw during the screw-screwing process. The screw screwing program also defines a time-dependent course of a feed force to be exerted on the screw during the screw screwing process, during which the control unit records a data set relating to the screw screwing process, and the control unit determines the time-dependent course of the feed force to be exerted on the screw during the screw screwing process. The data set comprises the following screw screwing parameter changing processes along with time: the actual rotating speed of the screw, the torque applied to the screw, the feeding position of the screw and the feeding speed of the screw. The control unit transmits the recorded data set to a remote data processing unit, in which the screw screwing process is evaluated by means of artificial intelligence on the basis of the transmitted data set.

The embodiment of the invention provides a side wall coring device and method and a storage medium. The device comprises a coring device and a controller. The corer is used for obtaining a rock core of a well wall; the controller is used for acquiring formation mechanical parameters of a well wall and adjusting working parameters of the corer according to the formation mechanical parameters; the formation mechanical parameters comprise the cutting force and the feeding force of a drill bit, and the working parameters of the corer are adjusted according to the formation mechanical parameters, specifically, the formation uniaxial compressive strength is determined according to the cutting force and the feeding force, and the drilling speed and the drilling pressure of the corer are adjusted according to the formation uniaxial compressive strength. The device greatly improves the coring efficiency of the drill bit.

A method includes operating an automatic tool at a first setting to drive a flow drill screw (FDS) into a substrate. The first setting is configured to rotate the FDS at a first rotational speed and apply a first axial feed force. The first setting is configured to cause flow of the substrate to permit the FDS to penetrate the substrate. The method includes detecting a predetermined first trigger condition including at least one of a depth gradient and a depth and switching the tool from the first setting to a second setting in response to a predetermined second trigger condition including at least one of a predetermined axial feed distance after detecting the first trigger condition and a predetermined time delay after detecting the first trigger condition. The second setting is configured to rotate the FDS at a lower rotational speed and apply a lower axial feed force.

The present application provides a kind of slotted equipment for coal seam gas control, belong to coal seam gas control technical field, including two slotted mainframes of synchronous coordination work, two slotted mainframes are arranged in the roadway of coal seam two sides respectively, and two slotted mainframes are driven connection through annular cutting cable between two slotted mainframes;Slotted mainframe includes self-propelled platform, power module, speed reducer, gear reversing device and main drive line wheel are set in self-propelled platform upper portion, power module passes through speed reducer and transmits power to gear reversing device;The present application uses annular cutting cable of cyclic motion as cutting force, and combines the feeding force provided by two slotted mainframes of synchronous coordination work, can cut out one or two slotted in coal seam transversely, instead of traditional high-density drilling, not only greatly reduces labor intensity, saves cost, and the permeability area formed by slotted is larger, more conducive to the desorption of gas, to greatly improve gas extraction efficiency.

The invention discloses a grinding head device of a double-face machining grinding machine. Comprising a box body part, an upper grinding head assembly, a lower grinding head assembly, an upper main shaft driving device and a lower main shaft driving device, wherein the upper grinding head assembly and the lower grinding head assembly are symmetrically arranged up and down and are supported and mounted in the box body part by adopting a hard rail sliding rail pair; the upper main shaft driving device and the lower main shaft driving device are symmetrically arranged behind the box body part and respectively provide grinding power for the upper grinding head assembly and the lower grinding head assembly; the two groups of Z-axis feeding parts are fixed in the box body part and are used for respectively providing Z-axis feeding force for the upper grinding head assembly and the lower grinding head assembly; the upper grinding head assembly comprises a main shaft box, an upper main shaft limited in the main shaft box through a lower end cylindrical roller bearing, a bidirectional thrust angular contact ball bearing and a cylindrical roller bearing, a rotary joint connected with the upper end of the upper main shaft through a joint seat, and a driven belt wheel connected with the upper main shaft through a spline structure and an unloading device arranged on the main shaft box; the upper spindle flange is arranged at the lower end of the upper spindle. The invention has the advantages of good main shaft rigidity and capability of improving the dynamic rigidity of the whole machine.

The invention discloses a constant-linear-speed constant-pressure testing device and method for the wear resistance of an anchor rod drill bit for a coal mine. The testing device comprises a main shaft, a grinding wheel, and a constant-linear-speed control device, a displacement sensor and a constant-pressure automatic feeding device which are connected with an upper computer, the upper computer is used for setting the grinding linear speed and the grinding pressure required by the test standard and conducting PID parameter setting. The upper computer receives the radius of the grinding wheel acquired by the displacement sensor, calculates a grinding linear speed error and issues the grinding linear speed error to the constant linear speed control device to implement PID control; based on the radius abrasion loss of the grinding wheel, the pressurization feeding amount is adjusted; and the constant-pressure automatic feeding device is used for adjusting the grinding pressure required by the test standard according to the pressurization force by taking the grinding pressure error as the input of PID control during the period of adjusting the feeding amount. According to the invention, the linear speed control precision of the grinding wheel is not lower than 1%, and the fluctuation value of the feeding force does not exceed 0.5% of a set value.

A control system, rock drilling rig and method for controlling coupling measures is provided. The control system is arranged for controlling coupling and uncoupling measures of a threaded coupling of a rock drilling tool. The control system is configured to detect initial minimum feed force required for moving a rock drilling apparatus in forward direction and is configured to implement the detected minimum feed force during the coupling.

The utility model relates to the technical field of self-service equipment, and provides an anti-pinch gate mechanism and financial self-service device.The anti-pinch gate mechanism comprises a rack, a gate, a motor, a self-locking assembly and a torque limiter; the gate is arranged on the machine frame in a sliding mode, the motor is arranged on the machine frame, the motor is connected with the torque limiter, the torque limiter is connected with the self-locking assembly, and a gear of the self-locking assembly is meshed with a rack on the gate. By arranging the torque limiter, when the gate makes contact with the hand of a user, the gate bears resistance, the force is fed back to the torque limiter, the torque limiter and the self-locking assembly slip, a shaft of the self-locking assembly loses rotating force, the gear stops rotating, then the gate stops moving, and the situation that the gate plate clamps the hand of the user is avoided; the anti-pinch function is always in an effective state, so that the operation safety of the user is ensured; the gate can be prevented from being opened by a user outside through the self-locking assembly, and safety is guaranteed.

An actuator assembly (12) for a vehicle brake (10) is specified, comprising a brake caliper (14) in which a space (16) for a brake rotor (18) is formed, wherein a brake pad (20) is arranged in the space (16) which can be applied to the brake rotor (18), and a spindle drive (16) which has a spindle nut (30) and an electrically driven spindle (28) for axially moving the spindle nut (30), wherein the spindle nut (30) is movable by axial displacement between an extended and a retracted position and has an end face (32) facing the brake pad (20). Between the spindle nut (30) and the brake block (20) a convexly curved decoupling surface (48) is provided between adjacent parts, which transmits an axial approach force of the spindle nut (30) in the direction of the brake block (20), along which the adjacent parts are movable relative to each other at least in one direction.Furthermore, a brake pad is specified.

The present invention relates to an ultrasonic processing method for joining layers of a compressible material or to an ultrasonic processing device for carrying out the method, wherein at least three superimposed layers of a material or different materials, namely an outer layer, an inner layer and a middle layer, wherein at least one of the at least three layers comprises a compressible material, and a sonotrode which can be excited by an ultrasonic vibration are provided, wherein the sealing surface of the sonotrode is brought into contact with the outer layer and the sonotrode is moved in the direction of the inner layer with a feed force, such that the superimposed layers are compressed by the feed force, wherein the feed force and / or a vibration amplitude of the ultrasonic vibration is selected such thatthat the outer layer is connected to at least one middle layer adjacent to the outer layer, but not all of the at least three superimposed layers are connected to each other.

The invention relates to a two-dimensional ultrasonic vibration device and a regulation and control method thereof. The two-dimensional ultrasonic vibration device comprises an ultrasonic vibration module, a loading vibration platform, a tool path track generation module and a control system module. The ultrasonic vibration module drives the platform to vibrate. And the control system module identifies characteristic parameters, calculates amplitude values required in the X direction and the Y direction according to the milling feeding direction, and transmits a control signal to the ultrasonic vibration module. The cutter path generating module generates a milling cutter path according to the size and the shape of a machined workpiece and generates a two-dimensional path diagram. Compared with an existing ultrasonic auxiliary machining device and method, the ultrasonic auxiliary machining device and method can actively follow the milling feeding direction and conduct ultrasonic vibration, the ultrasonic amplitude is always kept constant in the milling machining process, the ultrasonic vibration direction always follows the milling feeding direction, the milling feeding force is greatly reduced, the milling temperature is reduced, and the machining efficiency is improved. The workpiece machining quality is improved, and the machining efficiency is improved.

The utility model discloses a universal auxiliary feeding device for thin and thick materials and a sewing machine, relates to the technical field of sewing machines, and aims to solve the problem that an existing auxiliary feeding device is not high in applicability. The one-way clutch driving assembly comprises a one-way clutch driving star wheel shaft and a driven shaft, one end of the one-way clutch driving star wheel shaft is connected with a driving gear through a bearing and a bearing cover, a driven gear in meshing transmission with the driving gear is arranged on the driven shaft, and the tooth number of the driving gear is smaller than that of the driven gear. The two ends of the one-way clutch driving star wheel shaft and the two ends of the driven shaft are installed on the bearing installation bases, the bearing installation bases are fixed to the installation support, and the belt dragging wheel assembly is connected with the driven shaft, so that large cloth feeding force can be achieved for sewing of thin materials and thick materials, and the purpose that the thin materials and the thick materials are universal is achieved.

The medium transport device 6 includes a feed out section 2 that feeds out the medium 3 that is wound into a roll shape, a main roller 8 that applies a feeding force to the medium in the transport direction F, and sub rollers 9 that pair with the main roller to rotate while nipping the medium therebetween, wherein the sub rollers 9 are a plurality of rollers including a first roller 91, a second roller 92, a third roller 93, . . . , and an n-th roller arranged at a distance D from each other along the longitudinal direction of the main roller 8, the distance D includes a first distance D1 and a second distance D2 that is larger than the first distance.

The invention relates to a cutting rock-breaking mechanism and a cutting method, and the cutting rock-breaking mechanism comprises a cutter assembly which comprises a sun gear rotating around a first axis; the planet gears are arranged at intervals in the circumferential direction, and eccentric structures are arranged on the planet gears; the planet wheel mandrel is sleeved with the planet wheel and rotationally connected with the planet wheel so as to bear inertia moment and / or radial inertia force which alternately rotates around the first axis; the planet carrier is coaxial with the first axis and is fixedly connected with the planet wheel mandrel; the cutterhead frame is connected with the planet carrier; when the planet carrier alternately rotates around the first axis, the cutter head frame reciprocates along the first axis and / or alternately rotates around the first axis; when the planet carrier swings in the radial direction, the cutterhead frame swings in the radial direction in a rotating mode. And the cutter is fixedly connected with the cutter head frame and has an eccentric distance. Rock is cut and broken under the multiple actions of extrusion feeding force of the cutter, vibration impact of the cutter and radial eccentric impact rock breaking, so that the rock breaking capacity (productivity) and the rock breaking efficiency are improved, the specific energy consumption of rock breaking is reduced, and the cutter is suitable for breaking hard rock.

The utility model discloses an automatic cleaning device for a feeding gear of an FDM 3D printer, and the automatic cleaning device comprises a feeder main body which is used for bearing all parts of a system; the material pressing wheel support is installed on the feeding machine body, a material pressing wheel is installed on the material pressing wheel support, pressure is continuously provided for the material pressing wheel through a material pressing spring, continuous feeding force is provided for consumables in cooperation with a feeding gear, and the printing requirement is met; the detection wheel support is provided with a detection wheel reset spring and a detection wheel, and the detection wheel is tightly meshed with the feeding gear all the time through the elastic force of the detection wheel reset spring; the photoelectric sensor is used for identifying whether the position of the detection wheel is normal; and the brush assembly is used for cleaning residues in the gap groove of the feeding gear. The situation that printing fails due to blockage and slipping of the feeding gear of the printer is effectively solved, meanwhile, the automatic cleaning device can effectively solve the problems of manual inspection and manual cleaning, personnel investment is reduced, and working efficiency is improved.

The invention relates to the technical field of motor shell machining, and discloses a cutting device for vibration motor shell machining, which comprises a cutting table, and further comprises an equipment box fixedly connected to the lower part of the cutting table and used for supporting the cutting table; the clamping mechanism is arranged in the equipment box and is used for clamping a machine shell; and the bottom of the cutting machine rotates around the machine shell on the cutting table through a rotating mechanism for cutting. By means of the rotating mechanism, constant initial feeding force is provided through the first tension spring, meanwhile, self-adaption of the cutting process is achieved through a one-way pawl mechanism composed of a deflector rod and a limiting hole with a rectangular bayonet, when the wall thickness is not uniform or casting defects occur, cutting counter-force can push the cutting machine to slightly retreat in the radial direction for buffering, and the cutting effect is good. And when the cutting condition is normal, the mechanism can lock and allow continuous feeding, knife pricking, tipping and even workpiece damage caused by sudden change of cutting force can be greatly avoided, and the mechanism is particularly suitable for machining characteristics of a vibration motor casting shell.

The invention discloses a hydraulic execution oil cylinder which comprises a hydraulic cylinder and attached parts on the hydraulic cylinder. The hydraulic cylinder comprises a cylinder body, a piston and a piston rod. The piston divides the interior of the cylinder body into a first cavity and a second cavity. A first opening and a second opening are formed in the cylinder body; the attached part comprises a pipeline structure and a sliding assembly, and the pipeline structure comprises a first pipe, a second pipe, a third pipe and a fourth pipe which are communicated with one another through a plurality of transverse pipelines; the first pipe and the second pipe are respectively connected with the first cavity and the second cavity through the first opening and the second opening; the sliding assembly slides to adjust the connection state of the second pipe and the second cavity. A complex converging device (such as a converging valve) in a traditional hydraulic execution oil cylinder is simplified into an attachment structure, and two oil ways are communicated through the attachment structure to supply oil, so that the feeding force is increased when an execution end works, and the hydraulic execution oil cylinder adapts to the heavy-load working condition; a switching device is arranged in the attachment structure, the sliding plate is fixed or detached through a rod, and switching between a conventional working mode and a large-load mode is rapidly achieved. The L-shaped sliding piece is matched with the sliding block, so that the function of communicating with the two piston cavities on the basis of a single oil way is achieved; through the linkage oil supply design of the double cavities, the hydraulic cylinder can provide stronger power output in a large-load mode.

To provide an injection molding machine capable of injecting molten resin with controlled degradation with a simple configuration.SOLUTION: An injection molding machine 1 includes a reservoir cylinder 10, a first injection member 12 housed inside the reservoir cylinder 10, and a molten resin feeder 6 connected to the reservoir cylinder 10 and pumping molten resin from the base end of the first injection member 12. In the reservoir cylinder 10, the molten resin is moved forward of the first injection member using the molten resin feeding force by the molten resin feeder 6, and the molten resin is accumulated in the front side of the interior space of the reservoir cylinder 10. The injection molding machine 1 then injects the molten resin from the tip of the reservoir cylinder 10 as the first injection member 12 moves forward.SELECTED DRAWING: Figure 2

The special-shaped blank electromagnetic stirrer comprises a shell, an inductor is installed in the shell and comprises an iron core and coils, the iron core comprises a strip-shaped magnet yoke located in the shell, a plurality of magnetic poles are arranged on one side face of the magnet yoke, a plurality of coils are wound on the magnet yoke, and the coils are arranged on the side face of the magnet yoke. One end of the magnetic pole extends out of the shell, two ends of the upper bottom surface and the lower bottom surface of the magnet yoke are respectively provided with a mounting seat, and one end of each mounting seat extends out of the shell. The special-shaped blank electromagnetic stirrer can be oppositely installed on the two sides of a fan-shaped section of a special-shaped blank continuous casting machine, magnetic poles of the electromagnetic stirrer can penetrate through gaps between supporting rollers of the fan-shaped section, the magnetic poles are closer to flanges of special-shaped blanks, and therefore an effective magnetic field is close to casting blanks, the magnetic induction intensity of the casting blanks is improved, efficient traveling wave stirring is achieved, and the service life of the special-shaped blank continuous casting machine is prolonged. The feeding force of the casting blank can be improved through traveling wave stirring, the electromagnetic stirring action area is enlarged, and therefore the quality of the casting blank is improved.

A post-processing device includes a processing tray, an aligning plate, a transport section, a feeding section, and a pressing section. A sheet before being subjected to stapling processing by a stapler is to be mounted on the processing tray. The aligning plate aligns ends of a plurality of sheets. The transport section transports the sheet toward the aligning plate. The feeding section is provided between the transport section and the aligning plate and feeds the sheet in a transport direction. The pressing section is provided between the transport section and the aligning plate and applies, to the sheet, a pressing force having a component in a direction opposite from the transport direction. Further, the pressing section applies the pressing force to the sheet before the feeding section applies a feeding force to the sheet.

The invention relates to an in-hole maintenance tool. The in-hole maintenance tool comprises a grinding mechanism and a recycling mechanism, the grinding mechanism comprises a feeding assembly and a grinding assembly, the feeding assembly is in driving connection with the grinding assembly, the feeding assembly provides feeding force for the grinding assembly to abut against a to-be-ground part, and the grinding assembly is used for grinding the to-be-ground part; the recovery mechanism and the polishing mechanism are integrated, the recovery mechanism comprises a recovery vessel, a dust collection conveying pipe and a dust collection driving part, one end of the recovery vessel is connected with the dust collection conveying pipe, the other end of the recovery vessel is connected with the dust collection driving part, and the dust collection conveying pipe is provided with a dust collection opening which is close to the polishing assembly; and the chippings are recovered into the recovery vessel through the dust collection opening and the dust collection conveying pipe in sequence. Through the arrangement, the efficiency of powerful dismantling work of the silver gasket is improved, the safety of the powerful dismantling work is guaranteed, repair of the sealing face is facilitated, and scrap pollution is avoided.

The invention discloses a drilling device which is used for drilling a cylindrical part and comprises a first mounting cylinder, an electric drill assembly, a connecting piece and a length-adjustable supporting assembly. The electric drill assembly comprises a motor which is installed at one end in the first installation cylinder, a drill bit clamping head is connected to an output shaft, and a drill bit is installed on the drill bit clamping head. The connecting piece is mounted at the other end in the first mounting cylinder; the length-adjustable supporting assembly is connected with the end, away from the first mounting cylinder, of the connecting piece. The acting force applied to the inner wall of the cylindrical part by the length-adjustable supporting assembly is outward in the radial direction, the counter-acting force applied to the length-adjustable supporting assembly by the inner wall of the cylindrical part is inward in the radial direction, and the counter-acting force is transmitted to the drill bit through the length-adjustable supporting assembly and can serve as the feeding force of the drill bit. The drilling device adopting the scheme is used for drilling from the interior of the cylindrical part, the drill bit can be prevented from slipping during drilling, and the drilling device adopting the scheme can be used for drilling on the inner-layer cylindrical wall of the cylindrical part with a double-layer structure.

The invention provides a method and a system for controlling a flow drill screw based on volatility. A method of installing a flow drill screw (FDS) into a substrate includes engaging the FDS with an automated tool and operating the tool at a first setting to drive the FDS into the substrate. The first setting rotates the FDS at a first rotational speed and applies a first axial feed force. The first arrangement causes the substrate to flow to allow the FDS to penetrate through the substrate. The method includes detecting, via a sensor, axial position data of the FDS while operating the automated tool, and calculating, via a controller, a volatility of the axial position data. The method includes switching the automatic tool from the first setting to a second setting in response to the volatility. The second setting rotates the FDS at a second rotational speed and applies a second axial feed force to the FDS. The second rotational speed is less than the first rotational speed.

The utility model relates to the technical field of punching jigs, in particular to a sheet punching jig which comprises a mounting plate, a transmission assembly and a feeding assembly, a connecting plate is arranged on one side of the mounting plate, the transmission assembly is arranged on one side of the connecting plate, and the transmission assembly comprises a stepping motor, a driving gear, a first connecting rod, a driven gear and a transmission chain. The stepping motor is mounted on one side of the mounting plate through a first clamp and a screw, the output end of the stepping motor is connected with a driving gear, one end of the stepping motor is provided with a first connecting rod, and the top of the first connecting rod is connected with a driven gear; a feeding assembly is arranged between the transmission assembly and the mounting plate; the punching device is provided with a structure for stably transmitting the punching component in a chain transmission mode, feeding force can be provided for the punching component, and therefore the punching effect can be effectively improved.

The present invention belongs to the field of hydraulic control technology, and specifically relates to a hydraulic control system for high-force spinning of a vehicle wheel hub, comprising a power unit, a hydraulic control unit, an execution unit, a lubrication unit and a measurement and control system; wherein the power unit is used to provide a power source for the entire system; the motor pump group comprises a servo motor and a load-sensitive pump; the hydraulic control unit is used to receive control signals from the measurement and control system to drive the execution unit to work; the lubrication unit is used to lubricate and cool the working elements in the system; the execution unit is used to clamp the wheel hub and perform axial and radial spinning on the wheel hub; the measurement and control system is used to complete the electrical control and testing of the system; the hydraulic control system of the present invention can realize the clamping and spinning feed of the vehicle wheel hub, and the clamping force and spinning feed force can be conveniently adjusted according to different wheel hub spinning processes, and is easy to use and maintain.

A control system, rock drilling rig and method for controlling coupling measures is provided. The control system is arranged for controlling coupling and uncoupling measures of a threaded coupling of a rock drilling tool. The control system is configured to detect initial minimum feed force required for moving a rock drilling apparatus in forward direction and is configured to implement the detected minimum feed force during the coupling.